显示字体图片

依赖库

pip install fontTools
pip install numpy
pip install Pillow
pip install freetype-py
pip install matplotlib

代码

from fontTools.misc.transform import Offset
from fontTools.pens.freetypePen import FreeTypePen
from fontTools.ttLib.ttCollection import TTCollection
from fontTools.ttLib.ttFont import _TTGlyphSet, _TTGlyphGlyf

# 加载字体文件(微软雅黑)：
collection = TTCollection("C:\Windows\Fonts\msyh.ttc")
print(list(collection))

# font = TTFont('C:\Windows\Fonts\simsunb.ttf')
font = collection[1]


def show(name: str, obj):
    t = type(obj)
    l = 0
    if t.__name__ == 'dict':
        l = len(obj)
    elif t.__name__ == 'list':
        l = len(obj)
    s = str(obj) if obj else "None"
    if len(s) > 1024:
        s = s[0:1024] + "..."
    print(name + " => 类型:" + str(t) + " ,长度:" + str(l) + " ,内容:" + s)


def draw(glyph: _TTGlyphGlyf):
    if not glyph:
        return
    pen = FreeTypePen(None)  # 实例化Pen子类
    glyph.draw(pen)  # “画”出字形轮廓
    width, ascender, descender = glyph.width, font['OS/2'].usWinAscent, -font['OS/2'].usWinDescent  # 获取字形的宽度和上沿以及下沿
    height = ascender - descender  # 利用上沿和下沿计算字形高度
    pen.show(width=width, height=height, transform=Offset(0, -descender))  # 显示以及矫正


show("font.keys", font.keys())
show("font.getGlyphOrder", font.getGlyphOrder())  # 返回一个字形名称列表，以其在文件中的顺序排序
show("font.getGlyphNames", font.getGlyphNames())  # 返回一个字形名称列表，以字母顺序排序
show("font.getBestCmap", font.getBestCmap())  # 返回一个字形ID为键、字形名称为值的字典
show("font.getReverseGlyphMap", font.getReverseGlyphMap())  # 返回一个字形名称为键、字形ID为值的字典
glyphSet: _TTGlyphSet = font.getGlyphSet()
show("glyphSet.keys", glyphSet.keys())


def getGlyph(name: str):
    glyph: _TTGlyphGlyf = glyphSet.get(name)
    if not glyph and name in font.getGlyphOrder():
        i = font.getGlyphOrder().index(name)
        name = font.getGlyphNames()[i]
        glyph = glyphSet.get(name)
    return glyph


# 贪 36138 8d2a
# 吃 21507 5403
# 蛇 34503 86c7
for c in "贪吃蛇":
    text = c
    text_hex = "".join(['{:0>2x}'.format(int(i)) for i in c.encode("UTF-16BE")])
    text_code = int(text_hex, 16)
    print(" ".join([text, str(text_code), text_hex]))
    text_id = font.getBestCmap()[text_code]
    glyph = getGlyph(text_id)
    show(text, glyph)
    draw(glyph)

image.png